package com.example.pphotocapsule;

import java.util.Date;
import java.util.Properties;

import javax.activation.CommandMap;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.activation.MailcapCommandMap;
import javax.mail.BodyPart;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class Mail extends javax.mail.Authenticator {
	private String _user;
	private String _pass;
	private String[] _to;
	private String _from;
	private String _port;
	private String _sport;
	private String _host;
	private String _subject;
	private String _body;
	private boolean _auth;
	private boolean _debuggable;
	private Multipart _multipart;
	
	public Mail() {
		_host = "smtp.gmail.com"; // default smtp server 
		_port = "465"; // default smtp port; alternative is 587
		_sport = "465"; // default socketfactory port; alternative is 587
		 
		_user = ""; // username 
		_pass = ""; // password 
		_from = ""; // email sent from 
		_subject = ""; // email subject 
		_body = ""; // email body 
		 
		_debuggable = false; // debug mode on or off - default off 
		_auth = true; // smtp authentication - default on 
		 
		_multipart = new MimeMultipart(); 
		 
		// There is something wrong with MailCap, javamail can not find a handler for the multipart/mixed part, so this bit needs to be added. 
		MailcapCommandMap mc = (MailcapCommandMap) CommandMap.getDefaultCommandMap(); 
		mc.addMailcap("text/html;; x-java-content-handler=com.sun.mail.handlers.text_html"); 
		mc.addMailcap("text/xml;; x-java-content-handler=com.sun.mail.handlers.text_xml"); 
		mc.addMailcap("text/plain;; x-java-content-handler=com.sun.mail.handlers.text_plain"); 
		mc.addMailcap("multipart/*;; x-java-content-handler=com.sun.mail.handlers.multipart_mixed"); 
		mc.addMailcap("message/rfc822;; x-java-content-handler=com.sun.mail.handlers.message_rfc822"); 
		CommandMap.setDefaultCommandMap(mc); 
	} 

	public Mail(String user, String pass) { 
		this(); 
		 
		_user = user; 
		_pass = pass; 
	}

	public boolean send() throws Exception { 
		Properties props = _setProperties(); 
	 
	    if(!_user.equals("") && !_pass.equals("") && _to.length > 0 && !_from.equals("") && !_subject.equals("") && !_body.equals("")) { 
	      Session session = Session.getInstance(props, this); 
	 
	      MimeMessage msg = new MimeMessage(session); 
	 
	      msg.setFrom(new InternetAddress(_from)); 
	       
	      InternetAddress[] addressTo = new InternetAddress[_to.length]; 
	      for (int i = 0; i < _to.length; i++) { 
	        addressTo[i] = new InternetAddress(_to[i]); 
	      } 
	        msg.setRecipients(MimeMessage.RecipientType.TO, addressTo); 
	 
	      msg.setSubject(_subject); 
	      msg.setSentDate(new Date()); 
	 
	      // setup message body 
	      BodyPart messageBodyPart = new MimeBodyPart(); 
	      messageBodyPart.setText(_body); 
	      _multipart.addBodyPart(messageBodyPart); 
	 
	      // Put parts in message 
	      msg.setContent(_multipart); 
	 
	      // send email 
	      Transport.send(msg); 
	 
	      return true; 
	    } else { 
	      return false; 
	    } 
	} 

	public void addAttachment(String filename) throws Exception {
		BodyPart messageBodyPart = new MimeBodyPart(); 
		DataSource source = new FileDataSource(filename); 
		messageBodyPart.setDataHandler(new DataHandler(source)); 
		messageBodyPart.setFileName(filename); 
		 
		_multipart.addBodyPart(messageBodyPart);
	} 
		 
	@Override 
	public PasswordAuthentication getPasswordAuthentication() { 
		return new PasswordAuthentication(_user, _pass); 
	} 
		 
	private Properties _setProperties() { 
		Properties props = new Properties(); 
		 
		props.put("mail.smtp.host", _host); 
		 
		if(_debuggable) {
			props.put("mail.debug", "true"); 
		} 
		 
		if(_auth) {
			props.put("mail.smtp.auth", "true"); 
		} 
		 
		props.put("mail.smtp.port", _port); 
		props.put("mail.smtp.socketFactory.port", _sport); 
		props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory"); 
		props.put("mail.smtp.socketFactory.fallback", "false"); 
		 
		return props; 
	} 

	// the getters and setters 
	public String getBody() {
		return _body; 
	} 
		 
	public void setBody(String _body) { 
		this._body = _body; 
	} 
		 
	public void setTo(String[] toArr) {
		this._to = toArr;
	}

	public void setFrom(String string) {
		this._from = string;
	}

	public void setSubject(String string) {
		this._subject = string;
	}
}
